<template>
  <div class="login">
    <div class="left-box">
      <img src="../assets/images/login-background.jpg" />
    </div>
    <div class="right-box">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
        <h3 class="title">{{title}}</h3>
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            type="text"
            auto-complete="off"
            placeholder="账号"
          >
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            auto-complete="off"
            placeholder="密码"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <el-input
            v-model="loginForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img"/>
          </div>
        </el-form-item>
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住账号</el-checkbox>
        <el-form-item style="width:100%;">
          <el-button
            :loading="loading"
            type="primary"
            style="width:100%;"
            @click.native.prevent="handleLogin"
          >
            <span v-if="!loading">登录 <i class="el-icon-right"></i> </span>
            <span v-else>登 录 中...</span>
          </el-button>
          <div style="float: right;" v-if="register">
            <router-link class="link-type" :to="'/register'">立即注册</router-link>
          </div>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
  import axios from 'axios'
  import Cookies from "js-cookie"
  import { encrypt } from '@/utils/jsencrypt'
  import { uuid } from '@/utils/uuid';
  import { copyObject } from '@/utils/ruoyi'

  export default {
    name: "Login",
    data() {
      return {
        title: "好起点综合一体化管理平台",
        codeUrl: "",
        loginForm: {
          username: "15869190108",
          password: "hqdAdmin2025!",
          rememberMe: true,
          code: "",
          uuid: ""
        },
        loginRules: {
          username: [
            { required: true, trigger: "blur", message: "请输入您的账号" }
          ],
          password: [
            { required: true, trigger: "blur", message: "请输入您的密码" }
          ],
          code: [
            { required: true, trigger: "change", message: "请输入验证码" }
          ]
        },
        loading: false,
        // 验证码开关
        captchaEnabled: true,
        // 注册开关
        register: false,
        redirect: undefined
      }
    },
    watch: {
      $route: {
        handler: function(route) {
          this.redirect = route.query && route.query.redirect
        },
        immediate: true
      }
    },
    created() {
      this.getCode()
      this.getCookie()
    },
    methods: {
      getCode() {
        const _uuid = uuid();
        axios({
          url: `${process.env.VUE_APP_LOGIN_API}/captcha`,
          method: 'get',
          params: {
            captchaId: _uuid
          },
          headers: {
            isToken: false
          },
          timeout: 20000,
          responseType: 'blob'
        }).then(res => {
          this.codeUrl = URL.createObjectURL(res.data)
          this.loginForm.uuid = _uuid
        }).catch(err => {
          console.error('获取验证码图片失败', err);
        });
      },
      getCookie() {
        const username = Cookies.get("username")
        const rememberMe = Cookies.get('rememberMe')
        this.loginForm.username = username === undefined ? this.loginForm.username : username;
        this.loginForm.rememberMe = rememberMe === undefined ? false : Boolean(rememberMe);
      },
      handleLogin() {
        this.$refs.loginForm.validate(valid => {
          if (valid) {
            this.loading = true
            if (this.loginForm.rememberMe) {
              Cookies.set("username", this.loginForm.username, { expires: 30 })
              // Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 })
              Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 })
            } else {
              Cookies.remove("username")
              // Cookies.remove("password")
              Cookies.remove('rememberMe')
            }
            // 密码RSA加密
            let loginData = copyObject(this.loginForm)
            loginData.password = encrypt(loginData.password);
            this.$store.dispatch("Login", loginData).then(() => {
              this.$router.push({ path: "/" }).catch(()=>{})
            }).catch(err => {
              this.$message.error(err)
              this.loading = false
              if (this.captchaEnabled) {
                this.getCode()
              }
            })
          }
        })
      }
    }
  }
</script>

<style rel="stylesheet/scss" lang="scss">
  .login {
    position: relative;
    width: 100%;
    height: 100%;
  }
  .left-box{
    position: absolute;
    width: 50%;
    height: 100%;
    left: 0;
    top: 0;
  }
  .left-box img{
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
  }
  .right-box{
    position: absolute;
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    right: 0;
    top: 0;
  }
  .title {
    margin: 0px auto 45px auto;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
  }

  .login-form {
    border-radius: 6px;
    background: #ffffff;
    width: 380px;
    padding: 25px 25px 5px 25px;
    z-index: 1;
  .el-input {
    height: 38px;
  input {
    height: 38px;
  }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
  }
  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }
  .login-code {
    width: 33%;
    height: 38px;
    float: right;
    overflow: hidden;
    border: 1px solid #DCDFE6;
    border-radius: 8px;
  img {
    cursor: pointer;
    display: block;
    width: 104%;
    margin-left: -2%;
  }
  }
  .login-code-img {
    height: 40px;
    margin-top: -2px;
  }
</style>
